Fluxgate Gradient Sensor

  • Introduction

    The magnetic gradient sensor consists of two 3-axial magnetic sensors that are fixed on the same stable support beam at short distance. It also includes a data acquisition circuit, high temperature memory module, communication circuit, etc. This device uses two high-performance magnetic sensors with a certain distance to form a three-component horizontal gradient measurement.

     

    Application

    Geophysical exploration, underwater magnetic detection, buried object detection, urban underground pipeline positioning, target detection and positioning, etc.

  • Two three-component fluxgate sensors are installed on the horizontal base in parallel. The distance between the fluxgate sensors serves as the baseline distance of the gradient sensor. After 6-channel 24-bit AD conversion, the test data is stored in the internal memory module, and can then be uploaded synchronously through RS485 interface or CAN bus.

  • Specifications

    Item

    Index

    Parameters

    Magnetic Field Performance Index

    Axial

    Single Axial Sensor/Three Axis Sensor

    Baseline   Distance Between Two Sensors

    500mm/750mm/1000mm

    Single   Magnetic Sensor Measuring Range

    -70μT70μT/-100μT100μT

    Maximum   Gradient

    140μT /200μT

    AD   Conversion

    24bit

    Noise

    ≤20pTrms/√Hz@1Hz

    Display   Resolution

    0.1nT

    Electrical Parameters

    Input   Voltage

    5V/12V/24V

    Power

    ≤4W

    Communication   Interface

    RS485/CAN Bus

    Data   Storage Time

    ≥7 Days

    Use Environment

    Protection   Level

    IP68

    Operating   Temperature

    -25℃~85


     


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